Richard Matheson seeded several weird fish in the deep and dark waters of the American myth pool, not least as a prominent screenwriter for the legendary 1960s TV series The Twilight Zone. I Am Legend, a post-apocalyptic science fiction/horror novel, published in 1954 and set in 1976, remains one of his best known works.1 It shows up persistently on "Best of Horror" lists and is generally regarded as a milestone in modern Gothic fiction. What is it about this novel that has invested it with canonical status? It tells a surpassingly bleak story, one that seems to encode very specific and largely outdated cultural anxieties. And as prophecy, it falls rather flat: Matheson depicts a vampire holocaust, and the ..